Genus: Tanystrosuchus KUHN, 1963 (nomen dubium) (= Halticosaurus or Liliensternus?)
Etymology: From Tanystropheus and Greek, suchus, "crocodile": Tanystropheus crocodile.

Species: posthumus (HUENE, 1908) KUHN, 1963
Etymology: Late Latin posthumus, from Latin, postumus "last," especially "last-born." 
= Tanystrophaeus posthumus HUENE, 1908 (nomen dubium)
= Coelophysis posthumus (HUENE, 1908) KUHN, 1965 (nomen dubium)

Holotype: SMNS 4385

Locality: Heslach, near Stuttgart, Baden-Württemberg State, Germany.

Horizon: Middle Stubensandstein (S2?), Löwenstein Formation, Middle Keuper Subgroup, Keuper Group.

Biostratigraphy:

Age: Alaunian?, Middle Norian Stage, Late Triassic Epoch, Late Triassic.

Material: Distal caudal vertebrae.